We may have found other answers which could help you.
Click here for Self Wheel FixScreaming tiller?
What is the problem with my Sears Garden Tractor?
How do I set the float level in my carb?
Mower cranks when primed, but after running a second or two dies?
transmission sears 917.2555581?
Sears self propel lawnmower and the front wheels do not move?